feat: add DeepSeekHarness studio agent

frontend/src/App.tsx

@@ -159,7 +159,10 @@ import {
   type SandboxThreadSummary,
   type SandboxToolLaunch,
 } from "./adk/sandbox";
-import { getSandboxCapability } from "./adk/newChatCapabilities";
+import {
+  getSandboxAgentCapability,
+  getSandboxCapability,
+} from "./adk/newChatCapabilities";
 import { getSkillWorkbenchCapability } from "./ui/skill-workbench/api";
 import {
   createVideoTask,
@@ -250,14 +253,21 @@ interface NewChatCapabilitiesState {
   harnessEnabled?: boolean;
   builtinTools?: string[];
   temporaryEnabled?: boolean;
+  deepseekHarnessEnabled?: boolean;
   skillCustomizationEnabled?: boolean;
 }
 
 async function probeNewChatCapabilities(
   agentId: string,
 ): Promise<NewChatCapabilitiesState> {
-  const [sandboxResult, skillResult, harnessResult] = await Promise.allSettled([
+  const [
+    sandboxResult,
+    deepseekHarnessResult,
+    skillResult,
+    harnessResult,
+  ] = await Promise.allSettled([
     getSandboxCapability(),
+    getSandboxAgentCapability("deepseek-harness"),
     getSkillWorkbenchCapability(),
     agentId ? listSessionBuiltinTools(agentId) : Promise.resolve<string[]>([]),
   ]);
@@ -268,6 +278,9 @@ async function probeNewChatCapabilities(
     builtinTools: harnessResult.status === "fulfilled" ? harnessResult.value : [],
     temporaryEnabled:
       sandboxResult.status === "fulfilled" && sandboxResult.value.enabled,
+    deepseekHarnessEnabled:
+      deepseekHarnessResult.status === "fulfilled" &&
+      deepseekHarnessResult.value.enabled,
     skillCustomizationEnabled:
       skillResult.status === "fulfilled" && skillResult.value.enabled,
   };
@@ -2849,7 +2862,7 @@ export default function App() {
     setSandboxLaunchError("");
     if (
       !sandboxSession &&
-      newChatMode === "temporary" &&
+      newChatMode !== "agent" &&
       !sandboxLaunchFromAgents
     ) {
       setNewChatMode("agent");
@@ -2890,7 +2903,40 @@ export default function App() {
         setMyAgents(true);
         return;
       }
-      if (sandboxLaunchKind !== "codex") return;
+      if (sandboxLaunchKind !== "codex") {
+        const workspace = await sandboxClient.openAgentSession(
+          sandboxLaunchKind,
+          createdSession.id,
+          { signal: controller.signal },
+        );
+        if (sandboxLaunchAbortRef.current !== controller) return;
+        viewSidRef.current = "";
+        setSessionId("");
+        setPendingTurns([]);
+        setInput("");
+        setInvocation(emptyInvocation());
+        setNewChatMode(
+          sandboxLaunchKind === "deepseek-harness" ? "deepseek-harness" : "agent",
+        );
+        discardDraftAttachments(attachments);
+        setAttachments([]);
+        releaseAllSandboxPreviews();
+        setSandboxTurns([]);
+        setSandboxSession(null);
+        setCreateView(null);
+        setSkillCenter(false);
+        setAddAgent(false);
+        setAddMenu(false);
+        setSearchView(false);
+        setManageAgents(false);
+        setAgentDetailTarget(null);
+        setMyAgents(false);
+        setSandboxAgentDetailTarget(null);
+        setSandboxAgentWorkspace(workspace);
+        setSandboxLaunchOpen(false);
+        setSandboxLaunchState("confirm");
+        return;
+      }
       const nextSession = await sandboxClient.connectSession(createdSession.id, {
         signal: controller.signal,
       });
@@ -4998,6 +5044,8 @@ export default function App() {
                 agentName={
                   sandboxSession.toolName === "codex"
                     ? "Codex"
+                    : sandboxSession.toolName === "deepseek-harness"
+                      ? "DeepSeek Harness"
                     : sandboxSession.toolName === "openclaw"
                       ? "OpenClaw"
                       : "Hermes"
@@ -5120,6 +5168,7 @@ export default function App() {
                   ? false
                   : !userId ||
                     newChatMode === "temporary" ||
+                    newChatMode === "deepseek-harness" ||
                     (newChatWorkspaceMode === "agent" &&
                       newChatMode === "agent" &&
                       !appName) ||
@@ -5200,6 +5249,10 @@ export default function App() {
               onSkillActionChange={setNewChatSkillAction}
               onSkillTargetChange={setNewChatSkillTarget}
               temporaryEnabled={newChatCapabilitiesReady && newChatCapabilities.temporaryEnabled}
+              deepseekHarnessEnabled={
+                newChatCapabilitiesReady &&
+                newChatCapabilities.deepseekHarnessEnabled
+              }
               harnessEnabled={newChatCapabilitiesReady && newChatCapabilities.harnessEnabled}
               builtinTools={
                 newChatCapabilitiesReady ? newChatCapabilities.builtinTools : []
@@ -5212,6 +5265,16 @@ export default function App() {
                   openSandboxLaunch();
                   return;
                 }
+                if (
+                  mode === "deepseek-harness" &&
+                  !newChatCapabilities.deepseekHarnessEnabled
+                ) return;
+                if (mode === "deepseek-harness") {
+                  setNewChatTask(null);
+                  setNewChatMode(mode);
+                  openSandboxLaunch("deepseek-harness");
+                  return;
+                }
                 setNewChatMode(mode);
                 if (mode !== "agent") setNewChatTask(null);
                 setError("");

frontend/src/adk/newChatCapabilities.ts

@@ -1,5 +1,6 @@
 import { withAuth } from "./auth";
 import { withLocalUser } from "./identity";
+import type { SandboxAgentKind } from "./sandbox";
 import { requestSignal } from "./timeout";
 
 const CAPABILITY_TIMEOUT_MS = 10_000;
@@ -30,3 +31,9 @@ async function getCapability(path: string): Promise<NewChatModeCapability> {
 export async function getSandboxCapability(): Promise<NewChatModeCapability> {
   return getCapability("/web/sandbox/capabilities");
 }
+
+export async function getSandboxAgentCapability(
+  kind: SandboxAgentKind,
+): Promise<NewChatModeCapability> {
+  return getCapability(`/web/${kind}/capabilities`);
+}

frontend/src/adk/sandbox.ts

@@ -13,7 +13,7 @@ const SETTINGS_TIMEOUT_MS = 60_000;
 const UPLOAD_TIMEOUT_MS = 330_000;
 
 export const SANDBOX_DISPLAY_NAME_MAX_LENGTH = 40;
-export type SandboxAgentKind = "openclaw" | "hermes";
+export type SandboxAgentKind = "deepseek-harness" | "openclaw" | "hermes";
 
 export function sandboxStatusLabel(status: string): string {
   switch (status.trim().toLowerCase()) {

frontend/src/telemetry/schema.ts

@@ -103,7 +103,7 @@ export interface AgentDeployFailedProps {
   errorCode?: string;
 }
 
-export type SandboxKind = "codex" | "openclaw" | "hermes";
+export type SandboxKind = "codex" | "deepseek-harness" | "openclaw" | "hermes";
 
 export interface SandboxCreateStartedProps {
   sandboxKind: SandboxKind;
@@ -138,6 +138,7 @@ export type AgentConnectKind =
   | "runtime"
   | "local"
   | "codex"
+  | "deepseek-harness"
   | "openclaw"
   | "hermes";
 export type AgentConnectSource =
@@ -179,7 +180,7 @@ export interface AgentConnectFailedProps {
 
 export interface AgentMessageStartedProps {
   agentId: string;
-  agentKind: "runtime" | "codex" | "openclaw" | "hermes";
+  agentKind: "runtime" | "codex" | "deepseek-harness" | "openclaw" | "hermes";
   messageSource: "composer" | "a2ui_action";
   sessionState: "new" | "existing";
   sessionId?: string;

frontend/src/ui/Composer.tsx

@@ -159,6 +159,7 @@ export interface ComposerProps {
   onModeChange?: (value: NewChatMode) => void;
   onTaskChange?: (value: NewChatTask | null) => void;
   temporaryEnabled?: boolean;
+  deepseekHarnessEnabled?: boolean;
   harnessEnabled?: boolean;
   builtinTools?: readonly string[];
   showAgentPicker?: boolean;
@@ -212,6 +213,7 @@ export function Composer({
   onModeChange,
   onTaskChange,
   temporaryEnabled,
+  deepseekHarnessEnabled,
   harnessEnabled = false,
   builtinTools = [],
   showAgentPicker = false,
@@ -753,6 +755,7 @@ export function Composer({
             onChange={onModeChange}
             disabled={busy}
             temporaryEnabled={temporaryEnabled}
+            deepseekHarnessEnabled={deepseekHarnessEnabled}
           />
         ) : null}
 

frontend/src/ui/MyAgents.tsx

@@ -47,11 +47,17 @@ export interface MyAgentCardData {
   draft?: WorkspaceAgentDraft;
 }
 
-export type AgentType = "general" | "codex" | "openclaw" | "hermes";
+export type AgentType =
+  | "general"
+  | "codex"
+  | "deepseek-harness"
+  | "openclaw"
+  | "hermes";
 
 const AGENT_TYPES: Array<{ id: AgentType; label: string }> = [
   { id: "general", label: "通用智能体" },
   { id: "codex", label: "Codex 智能体" },
+  { id: "deepseek-harness", label: "DeepSeek Harness" },
   { id: "openclaw", label: "OpenClaw 智能体" },
   { id: "hermes", label: "Hermes 智能体" },
 ];

frontend/src/ui/SandboxAgentDetails.tsx

@@ -4,6 +4,7 @@ import "./SandboxAgentDetails.css";
 
 const AGENT_LABELS = {
   codex: "Codex",
+  "deepseek-harness": "DeepSeek Harness",
   openclaw: "OpenClaw",
   hermes: "Hermes",
 } as const;

frontend/src/ui/SandboxAgentWorkspace.tsx

@@ -18,7 +18,9 @@ export function SandboxAgentWorkspace({
   const [terminalUrl, setTerminalUrl] = useState("");
   const [terminalLoading, setTerminalLoading] = useState(false);
   const [terminalError, setTerminalError] = useState("");
-  const label = workspace.kind === "openclaw" ? "OpenClaw" : "Hermes";
+  const label = workspace.kind === "deepseek-harness"
+    ? "DeepSeek Harness"
+    : workspace.kind === "openclaw" ? "OpenClaw" : "Hermes";
 
   useEffect(() => {
     setSurface("main");

frontend/src/ui/SandboxLaunchDialog.tsx

@@ -29,7 +29,9 @@ export function SandboxLaunchDialog({
 }: SandboxLaunchDialogProps) {
   const agentLabel = agentKind === "codex"
     ? "Codex"
-    : agentKind === "openclaw" ? "OpenClaw" : "Hermes";
+    : agentKind === "deepseek-harness"
+      ? "DeepSeek Harness"
+      : agentKind === "openclaw" ? "OpenClaw" : "Hermes";
   const defaultDisplayName = agentKind === "codex"
     ? DEFAULT_SANDBOX_DISPLAY_NAME
     : `我的 ${agentLabel}`;

frontend/src/ui/icons/SandboxAgentIcons.tsx

@@ -1,6 +1,10 @@
 import type { SVGProps } from "react";
 
-export type SandboxAgentIconKind = "codex" | "openclaw" | "hermes";
+export type SandboxAgentIconKind =
+  | "codex"
+  | "deepseek-harness"
+  | "openclaw"
+  | "hermes";
 
 export function CodexAgentIcon(props: SVGProps<SVGSVGElement>) {
   return (
@@ -60,11 +64,32 @@ export function HermesAgentIcon(props: SVGProps<SVGSVGElement>) {
   );
 }
 
+export function DeepSeekHarnessAgentIcon(props: SVGProps<SVGSVGElement>) {
+  return (
+    <svg
+      viewBox="0 0 24 24"
+      fill="none"
+      stroke="currentColor"
+      strokeWidth="1.75"
+      strokeLinecap="round"
+      strokeLinejoin="round"
+      aria-hidden="true"
+      {...props}
+    >
+      <path d="M5.2 17.2V8.1a3 3 0 0 1 3-3h7.6a3 3 0 0 1 3 3v9.1" />
+      <path d="M7.4 17.2h9.2M9 19.9h6" />
+      <path d="M9.1 9.25h5.8M9.1 12h3.1" />
+      <path d="m14.1 12.4 2 2.1M16.2 12.4l-2.1 2.1" />
+    </svg>
+  );
+}
+
 export function SandboxAgentIcon({
   kind,
   ...props
 }: SVGProps<SVGSVGElement> & { kind: SandboxAgentIconKind }) {
   if (kind === "codex") return <CodexAgentIcon {...props} />;
+  if (kind === "deepseek-harness") return <DeepSeekHarnessAgentIcon {...props} />;
   if (kind === "openclaw") return <OpenClawAgentIcon {...props} />;
   return <HermesAgentIcon {...props} />;
 }

frontend/src/ui/new-chat-modes/NewChatAgentPicker.tsx

@@ -16,7 +16,12 @@ import { AgentFaceIcon } from "../AgentFaceIcon";
 import { SandboxAgentIcon } from "../icons/SandboxAgentIcons";
 import "./new-chat-agent-picker.css";
 
-type AgentType = "general" | "codex" | "openclaw" | "hermes";
+type AgentType =
+  | "general"
+  | "codex"
+  | "deepseek-harness"
+  | "openclaw"
+  | "hermes";
 
 interface AgentTypeOption {
   id: AgentType;
@@ -26,6 +31,7 @@ interface AgentTypeOption {
 const AGENT_TYPES: AgentTypeOption[] = [
   { id: "general", label: "通用智能体" },
   { id: "codex", label: "Codex 智能体" },
+  { id: "deepseek-harness", label: "DeepSeek Harness" },
   { id: "openclaw", label: "OpenClaw 智能体" },
   { id: "hermes", label: "Hermes 智能体" },
 ];